What is the ketogenic diet The energy produced in living beings is produced from three types of molecules: carbohydrate, protein, and fat. Here carbohydrates i.e. glucose is in priority, usually the energy is produced through this method but the ket…

Breeding of Asian seabass 13.1. Distribution and importance L. calcarifer  belongs to the family Centropomidae and Order Perciformes. Good export market, esteemed fish in West Bengal. But carnivorous and highly predato…

Breeding of trouts 8.1. Introduction Trouts belong to the family Salmonidae and Order Salmoniformes Among trouts, the rainbow trout,  Oncorhynchus mykiss,  is the most important species. Other species of trouts are : bro…

·        Packing and transportation of fish seed   ·        Transportation of fish seed ·        Transportation of fish seed is gaining increased importance due to the ever increasing world live fish trade. ·        Successful transportati…

Fish spawn rearing techniques – rearing ponds Spawn stocked in nursery ponds normally attain a length of 20-25mm in 15 days with artificial feeding, giving survival rates ranging from less than 10 % to as high as 95-100%. If the fr…

Breeding of milkfish 12.1. Distribution and importance Milk fish belongs to the Family Chanidae and Order Clupeiformes It is distributed in the Indo-Pacific region; commonly cultured in Indonesia, Taiwan, Philippines, etc.…

Breeding of grey mullet 11.1. Distribution and importance Grey mullets belong to the family Mugilidae and Order Mugiliformes They are distributed in the Indo-Pacific region; commonly cultured in Indonesia, Philippines, Taiw…

Breeding of catfishes 10.1. Breeding of Asian catfish ( Clarias batrachus  ) Clarias batrachus is cultured mainly in Thailand, Bangladesh and India. An important foodfish, commands high price (up to Rs. 200/-per kg) depending on lo…

Breeding of common carp 6.1. Distribution and importance of common carp The common carp belongs to the family Cyprinidae and Order Cypriniformes. C. carpio is a native to Central Asia and is very widely distributed all over the w…

Protozoan parasitic fish diseases 4.2.1.Protozoan diseases Velvet/rust disease: the disease is caused by Oodinium sp. The infected fish exhibit Peppery coating, yellowish, clamped fins respiratory distress (breathing h…